You have put this to rest. I was in AZ at the time of my hearing. What I need clarified is a federal employee under oath before Congress.
That to me could have a different interpretation.
The 5th is the 5th is the 5th. You have the right to be cooperative up until they ask something the answer to which might incriminate you and then refuse to answer. Whether you’re talking to a judge, a cop or congress. If you didn’t then the minute you gave your name you’d have waived your rights and we might as not even have a 5th.
That is the big question here.